Uma wants to buy a video game system for $400. she has $50 and is saving $25 each week. solve the equation 25w + 50 = 400 to find how many weeks w it will take uma to save enough to buy the system.

In the 30-60-90 triangle below side s has a length of and side r has a length

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Drag the tiles to the correct boxes to complete the pairs. match the cart-coordinates with their corresponding pairs of y-coordinates of the unit circle